1 ; RUN: llc -mattr=+ssse3 -mtriple=x86_64-unknown-unknown < %s | FileCheck %s
3 ; The pshufb from function @pr24562 was wrongly folded into its first operand
4 ; as a result of a late target shuffle combine on the legalized selection dag.
6 ; Check that the pshufb is correctly folded to a zero vector.
8 define <2 x i64> @pr24562() {
9 ; CHECK-LABEL: pr24562:
10 ; CHECK: # BB#0: # %entry
11 ; CHECK-NEXT: xorps %xmm0, %xmm0
14 %0 = call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>, <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>) #2
15 %1 = bitcast <16 x i8> %0 to <2 x i64>
19 declare <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8>, <16 x i8>)